Inventor
GRIMES DOUGLAS J
GB3 patents
Patents
3 patentsUS5252554AOct 12, 1993
Drilling fluids and muds containing selected ester oils
HENKEL KGAA157 citations97
USRE36066EJan 26, 1999
Use of selected ester oils in drilling fluids and muds
HENKEL KGAA101 citations96
US5232910AAug 3, 1993
Use of selected ester oils in drilling fluids and muds
HENKEL KGAA126 citations96